Slab on grade / Discussions

...one of the prefab homes on the piles? We have many models of prefab modular kit houses that can be seated on foundations, screw piles or slab on grade, so it really depends on the model. Currently we don’t have enough supply to  meet demand, so wee are looking to expand so we can supply prefab kit houses all of Canada ...

...onally, love slab on grades. However, one big worry I often have is water damage at the base of the wall. Due to the wall being so close to grade, I worry about water pooling inside the sill of the wall. What is the proper way to design a slab on grade to prevent water damage and a failure of the house? If you can, a s...

...one of the reasons we are choosing a slab on grade is to save some money. Thoughts? A slab on grade home is in our experience the cheapest way to get started on a very durable and energy efficient home. I agree with you that a radiant heated slab floor would be much more comfortable than any other heating system. I wou...

...on would be air heated radiant floors, which is provided by a company called Legalett that distributes engineered slab on grade raft kits all across North America. As for heating the mezzanine, that depends on a few things – will it be very well insulated and airtight? Will you have good air circulation in the form of ...

...slab on grade new consrtuction. Passive home design.I'm  excited about having a passive house with low heating cost. ATWHP with hyrdonic heating and DWP is something we hope to have. Just curious about heating in cold weather. Can you give us a more specific question?  And if you're looking for a Realtor with experienc...

...on a Legalett slab air heated floor last year. I would first point you to this page about insulation – What is the best insulation for a home? In there you will learn the different characteristics of various insulation materials, the decision then comes down to product availability and price, neither of which we are re...

...on a heated slab on grade and want to add a  12x12 extension as a screened room. The plan is to have the extension and roof attached to the cabin. Can I extend the concrete slab for this extension and not have it heated? Concerned that the concrete will fail on the extension as the heated slab will float differently th...

...slab that provides thermal mass for catching winter sun rays in this situation?  Could we potentially have 4 foot  deep thermal mass on the southern side of the house half way through the house, and a shallower slab along the northern side of the house?  Would this 4 feet of TM suck too much thermal mass?   I imagine o...

...slab on grade with the Legalett solar air floor as your basement floor? Any advice would be greatly appreciated, thanks so much!   We prefer a slab on grade over a basement for a bunch of reasons, and these pages here are written specifically to address your question, so start here – How to choose between a slab on gra...

...oncrete floor that looks nice. The concrete was poured 8 months ago, and we are noticing some divots. We live on a remote island with no specific concrete flooring experts, and I'm having trouble locating a large diamond grinder.  Are the divots in the concrete the reason for you wanting a diamond grinder? If the slab ...

...ontacted Ecohome about a quote for a full turnkey eco-habitate s1600 for where I am here in Nova Scotia. But one concern I have about the Legalett slab is the possibility of insects, especially termites and/or carpenter ants infesting the EPS. Is that a danger? Among the many possible ways to protect against that doesn...

...on slab. We would prefer to be off grid as the cost of grid power on our site is expensive. We also need a water collection system as our water is not good for consumption. I was looking at the earthship model, however, I was never sold on the heating concept for our northern climate (your article made my suspicions co...

...ondering if you can insulate under slab with foam polyurethane. If not, why?  When building a slab on grade, EPS rigid foam insulation is the most common choice of insulation, for performance and cost. I wouldn’t go as far as saying you 'couldn't' use spray foam below a slab, but I’m not sure why you’d want to. Spray f...

...Slab on Grade for LEED, Passive, ZNE Legalett monitors the process of installion for their raft slab kits, which includes a pre-pour inspection for warranty, they also send a construction heater to cure and dry the floor before the final heater unit is installed, they also send you a moisture test to perform to ensure ...

...slab on grade mainly because of familiarity. Most don’t know how to build a slab on grade so they tend to steer you way from them simply for lack of knowledge and experience.  We have many pages on how to build a slab on grade, but these pages addresse your dilemma specifically-  Slab on Grade or Foundation and Basemen...

...onsult with regarding having our plans modified to a slab on grade (monolithic) foundation as most municipalities would require? We don't currently have a directory of professionals to offer sorry, But where are you building? It can sometimes be tricky finding someone that is comfortable stamping drawings for a slab, b...

...slab on grade literally means a slab of concrete on grade (ground level), as opposed to ‘below grade’ like a basement. And a slab on grade can be built in a variety of ways (monolithic or not), you can learn the basics on this page – Slab on Grade or Foundation and Basement - Which is Best? But to answer your question ...

...slab on grade and add an extra room - also, which is going to be more efficient to heat and keep cool? I'm near Portland Oregon - thanks!   If the history of our website is an indicator, this question will for sure invite a heated discussion, but we welcome that : )  We’d choose a slab on grade over a basement almost e...